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电气隔离

2009-09-30 07:55:00| 分类： a little | 标签： |举报 |字号大中小订阅

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电力电子器件的驱动电路还要提供控制电路与主电路之间的电气隔离，电气隔离环节，一般采用光隔离或磁隔离。

光隔离一般采用光电耦合器。光电耦合器由发光二极管和光敏晶体管组成，封装在一个外壳内。

磁隔离的元件通常是脉冲变压器。

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